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当前位置: 首页 > 文章 > 气相色谱法测定饲料添加剂薄荷素油中薄荷脑的含量 饲料工业 2014,35 (23) 58-61
Position: Home > Articles > Determination of menthol in feed additives-peppermint oil by GC method Feed Industry 2014,35 (23) 58-61

气相色谱法测定饲料添加剂薄荷素油中薄荷脑的含量

作  者：
游飞明;王征;任小英;吴凌;柯振华
单  位：
国家加工食品质量监督检验中心福建省产品质量检验研究院
关键词：
混合型饲料添加剂;薄荷素油;薄荷脑;气相色谱法
摘  要：
试验建立了饲料添加剂薄荷素油中薄荷脑含量测定的气相色谱方法。试样用乙醇溶解、定容后,经毛细管气相色谱分离,氢火焰离子化检测器测定,保留时间定性,外标法定量,薄荷脑在优化的色谱条件下获得了良好的分离。方法学研究结果表明,薄荷脑在0.035 6~1.780 mg/ml浓度范围内具有良好线性关系,相关系数r=0.999 8;回收率高,3个水平的平均加标回收率分别为99.2%、98.2%、98.5%,重现性好,6次平行测定结果的相对标准偏差为1.5%。用所建立的方法对多份混合型饲料添加剂样品进行薄荷脑含量测定,均取得满意的结果。该方法灵敏、准确、分离度好、重现性高,可用于薄荷素油的质量控制,方法可广泛应用于饲料等相关产品中薄荷脑含量的测定。
译  名：
Determination of menthol in feed additives-peppermint oil by GC method
作  者：
You Feiming;Wang Zheng;Ren Xiaoying;Wu Ling;Ke Zhenhua;
关键词：
mixed feed additives;;peppermint oil;;menthol;;gas chromatography
摘  要：
We have established the GC method to determine the menthol in feed additives peppermintoil. The sample was dissolved in ethanol and measured by capillary gas chromatography with flame ion-ization detector, retention time qualitative and external standard quantitative. Menthol under optimizedchromatographic conditions has obtained a good separation. Methodological results showed that men-thol has a good linear relationship within 0.035 6~1.780 mg/ml concentration range and the correlationcoefficient r=0.999 8; Then we have conducted three levels spiked recovery test, calculated recoverieswere 99.2%, 98.2%, 98.5% respectively, and the relative standard deviation(RSD) of six parallel deter-mination results was 1.5%. The method was applied to multiple samples of mixed feed additives tomeasure menthol levels and have achieved satisfactory results. The method established here is sensi-tive, accurate and with good resolution and reproducibility. It can be used to control the quality of pep-permint oil, the method can be widely applied to the determination of menthol content in feed and oth-er related products.

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